Four small streams - the Sagarmati, Saraswati, Khari and Dai - also intersect the district.
He was born in 1917 and was a disciple of Swami Brahmananda Saraswati, a prominent Hindu Guru and the spiritual leader of Jyotir Math.
It owes its sanctity to its being the reputed confluence of three sacred streams - the Ganges, the Jumna and the Saraswati.
The Hindus assert that the stream joins the other two rivers underground, and in a subterraneous temple below the fort a little moisture trickling from the rocky walls is pointed out as the waters of the Saraswati.
From the first European traders set up factories here, and after the ruin of Satgaon by the silting up of the mouth of the Saraswati it gained a position, as the great trading centre of Bengal, which was not challenged until after the foundation of Calcutta.